Bluetooth Multimedia Speaker SystemPowerful Speaker SystemStreams Music Wirelessly from Most Bluetooth Enabled Devices Such as iPhone, iPad, iPod, Smart Phones, Netbooks, Computers, Android Tablets & MoreBuilt-in USB Input Connects Audio Devices that Uses a USBSD Card Slot Input Plays your Favorite Songs From your SDRear Aux Input to Connect Wired External Audio PlayersFM RadioRCA Inputs (cables included)Power - 15W + 5W x 2 (RMS)Impedance - 4 ohmSignal Noise - 75dBPower Consumption - 25W(RMS)Frequency Response - 50Hz-18HzS/N - 75dBInput Sensitivity - 400mVVoltage - 110V/60HzRemote Control Included